Aviation music

thumb|upright=1.4|Dutch Grasshoppers aerobatics team, flying the Aérospatiale Alouette III|Alouette helicopters they used in the world premiere of the Helicopter String Quartet The Helikopter-Streichquartett () is one of Karlheinz Stockhausen's best-known pieces, and one of the most complex to perform. It involves a string quartet, four helicopters with pilots, as well as audio and video equipment and technicians. It was first performed and recorded in 1995. Although performable as a self-sufficient piece, it also forms the third scene of the opera Mittwoch aus Licht ("Wednesday from Light"),

musical work; symphony in four movements composed by Nikolai Myaskovsky